In our world, everyone feels they can take"creative license"and do what they want to a cool design, picture, song, or video. Unfortunately, in many instances, this is illegal.

Consider this...Transformative use t-shirts

Here (below) is a brief article about how DeLoreon's famous name was used to sell promotional items in Back to the Future II without authorization from his estate. The estate filed a lawsuit for trademark infringement.

"The Copyright Act provides four factors to consider when deciding whether a use is fair.

Fair Uses have traditionally included commentary, criticism, parody, quotation, news reporting, and teaching. The hallmark of fair use jurisprudence in the past 20 or so years has been whether or not the secondary use is transformative. When the character of the use is transformative, the commerciality of the use is still considered, although not necessarily dispositive.​Keep the four fair use factors in mind when looking at the shirts [above]. The source material is highly creative, and all these shirts were created for commercial purposes.

Are the mashup shirts [above] transformative enough?

the purpose and character of the use

the nature of the copyrighted work

the amount and substantiality of the portion used

the effect of the use on the market for the original

Other factors beyond the four above can be considered. Do you think it would be appropriate to consider the ability of artists to comment substantially on modern popular culture without obtaining a license as an additional factor? Should copyright law accommodate fan-driven art, even if it is created with a commercial purpose?"